52516021534 has 16 divisors (see below), whose sum is σ = 80859761136. Its totient is φ = 25565377600.

The previous prime is 52516021531. The next prime is 52516021553. The reversal of 52516021534 is 43512061525.

52516021534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52516021534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52516021531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611917 + ... + 692440.

It is an arithmetic number, because the mean of its divisors is an integer number (5053735071).

Almost surely, 2^52516021534 is an apocalyptic number.

52516021534 is a deficient number, since it is larger than the sum of its proper divisors (28343739602).

52516021534 is a wasteful number, since it uses less digits than its factorization.

52516021534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304891.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 52516021534 in words is "fifty-two billion, five hundred sixteen million, twenty-one thousand, five hundred thirty-four".